Toshiba L20 - page 180

Replacement Procedures

3. Open the MINIPCI Door and remove the wireless LAN antenna connector .

Figure 4-13 Removing the MINIPCI door and connetor (back)

4. Open the display and removing the k/b cover and keyboard .

176 Satellite L20 Maintenan ce Manual(960-Q01)

Contents

Main Toshiba Personal Computer Satellite L20 Series Maintenance Manual TOSHIBA CORPORATION Page Preface Page Page Table of Contents Page Page Page Page Page Page Page Page Chapter 1 Contents Page 1.1 Features Page Page Page Page Page Page Page Page Page Chapter 1 Hardware Overview 1.3 2.5-inch Hard Disk Drive Figure 1-3 2.5-inch HDD Table 1-1 2.5-inch HDD dimensions Page Chapter 1 Hardware Overview Table 1-2 2.5-inch HDD Specifications Page 1.4 Optical Drive Page Chapter 1 Hardware Overview Table 1-4 DVD-ROM & CD-R/RW drive specifications (2/3) Page Chapter 1 Hardware Overview Table 1-4 DVD-ROM & CD-R/RW drive specifications (3/3) Page Chapter 1 Hardware Overview Table 1-6 DVD Super Multi drive specifications (1/4) Chatper 1 Hardware Overview Table 1-7 DVD Super Multi drive specifications (2/4) Chapter 1 Hardware Overview Table 1-8 DVD Super Multi drive specifications (3/4) Chatper 1 Hardware Overview Table 1-9 DVD Super Multi drive specifications (4/4) Page 1.5 Keyboard 1.6 TFT Color Display Page Page 1.7 Power Supply Satellite L20 Maintenance Manual(960-Q01) 31 1.8 Batteries Page Page 1.9 AC Adapter Page Chapter 2 Contents Page Page 2.1 Outline 2.2 Basic Flowchart Page Page Page 2.3 Power Supply Page Page 2.4 System Board Page 2.5 2.5-inch HDD Page Page Page 2.6 Keyboard 2.7 Display FL inverter board Systemboard CPU LCD/FL cable 2.8 ODD (Optical Disk Drive) Page 2.9 LAN 2.10 Audio Test 2.11 IEEE 1394 Test(Optional) 2.12 Cooling Module Page Page Chapter 3 Contents 3.1 Tests and Diagnostics Software Overview 3.2 Executing the Diagnostic Test Page Page Page Test Program for Field. 3.3 Subtest names Test Program for Field. Table 3-1 Subtest Names(2/3) Page 3.4 System Test Page 3.5 Memory Test Page Page 3.6 Keyboard Test Page Page 3.7 Display Test Page Page Page Page Page Page Page Page Page Page Test Program for Field. Page Page Page 3.8 Floppy Disk Test Page 3.9 Hard Disk Test Page Page 3.10 Real Time Clock Test Page 3.11 Cache Memory Test Page 3.12 High Resolution Display Test Page Page Page Page Page 3.13 Multimedia Test 3.14 MEMORY2 Test Page Test Program for Field. 3.15 Error Codes and Error Status Names Page 3.16 Running Test 3.17 DMI INFOEMATION Page 3.18 Log Utilities Page 3.19 System Configuration 3.20 Running Test Edit Item Page 3.21 Common Tests and Operation Page Page Page Page Chapter 4 Contents Page 4.1 Overview Page Page Page Page Page Page 4.2 Battery pack Page Page 4.3 PC card Page 4.4 HDD Page Page Page 4.5 Wireless LAN card Page 4.6 Memory module Page Page 4.7 Keyboard Page Page Page 4.8 LED Board Page 4.9 Optical disk drive Page Page Page 4.10 Display assembly Page M2.36.0 FLAT BIND screw x4 (Locktight) Page Page Page 4.11 Cover assembly Page Page Page Page 4.12 Touch pad Page 4.20 System board Page 4.21 CPU Page Page LCD unit / FL inverter Page Page Page Page Page Page Appendix Contents Page Page Page Appendix A Handling the LCD Module Precautions for handling the LCD module Page Page Page Page Page Appendix B Board Layout B.1 System Board Front View Page B.2 System Board Back View Board Layout Table B-2 System board ICs and connectors (back) B.3 LED board B.4 Modem board Page Appendix C Pin Assignment C.3 CN1 LED Board Connector (14-PIN) Pin Assignment C.4 CN2 LCD I/F Connector (40-PIN) Table C-43 LCD I/F connector (40-PIN) C.5 CN3 Keyboard I/F Connector (25-PIN) C.6 CN4 Touch PAD I/F Connector (6-PIN) Pin Assignment C.7 CN5 PC Card I/F Connector (68-PIN) Table C-7 PC Card I/F connector (68-PIN) (1/2) C.8 CN23 RTC Battery Connector (2-PIN) C.9 CN7 System Speaker Connector (4-PIN) C.10 CN8 S-Video I/F Connector (4-PIN) C.11 CN10 DC IN Connector (4-PIN) C.12 CN11 USB I/F Connector (4-PIN) C.13 CN13 CRT I/F Connector (15-PIN) C.14 CN14 System Battery Connector (5-PIN) C.15 CN15 CPU Fan Connector (3-PIN) Pin Assignment C.16 CN16 HDD I/F Connector (44-PIN) Table C-16 HDD I/F connector (44-PIN) C.17 CN18 USB I/F Connector (4-PIN) Table C-17 USB I/F connector (4-PIN) C.18 J1 Memory Connector 0 (200-PIN) Table C-18 Memory connector 0 (200-PIN) (1/3) PIN No. Signal name I/O PIN No. Signal name I/O Pin Assignment Satellite L10 Maintenance Manual C-11 Table C-18 Memory connector 0 (200-PIN) (2/3) PIN No. Signal name I/O PIN No. Signal name I/O Pin Assignment C-12 Satellite L10 Maintenance Manual Table C-18 Memory connector 0 (200-PIN) (3/3) PIN No. Signal name I/O PIN No. Signal name I/O Pin Assignment C.19 J2 Memory connector 1 (200-PIN) Table C-19 Memory connector 1 (200-PIN) (1/3) PIN No. Signal name I/O PIN No. Signal name I/O Pin Assignment C-14 Satellite L10 Maintenance Manual Table C-19 Memory connector 1 (200-PIN) (2/3) PIN No. Signal name I/O PIN No. Signal name I/O Pin Assignment Satellite L10 Maintenance Manual C-15 able C-19 Memory connector 1 (200-PIN) (3/3) PIN No. Signal name I/O PIN No. Signal name I/O C.20 CN19 USB I/F connector (4-PIN) 20 8 22 Headphone OUT 8 C.23 CN22 ODD I/F Connector (50-PIN) 23 O Table C- DD I/F connector (50-PIN) Page Pin Assignment C.25 CN25 MINI-PCI connector (124-PIN) Table C-25 MINI-PCI connector (124-PIN) (1/2) Pin Assignment Table C-25 MINI-PCI connector (124-PIN) (2/2) LED Board C.26 CN1 LED Board connector (14-PIN) Page Appendix D Display Codes D.1 Display Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Display codes Table D-1 Scan codes (set 1 and set 2) (2/4) Display codes Table D-1 Scan codes (set 1 and set 2) (3/4) Page Page Display codes Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn key Page Page Appendix E Keyboard Layout Page Page Page Page Page Page Page Page Page Appendix F Wiring Diagrams Figure F-2 LAN loopback connector F.1 RGB Monitor ID Wraparound connector Figure F-1 RGB Monitor ID Wraparound connector (15PIN to 15PIN) F.2 LAN Loopback Connector Page Appendix G BIOS Rewrite Procedures